Finding the Third Proportional to 2,483.72 and 5,428.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.72 : 5,428.83 = 5,428.83 : x
2. Step 2: Convert to fraction form
   2,483.72/5,428.83 = 5,428.83/x
3. Step 3: Cross multiply
   2,483.72x = 5,428.83 × 5,428.83
4. Step 4: Simplify right side
   2,483.72x = 29,472,174.81
5. Step 5: Solve for x
   x = 29,472,174.81/2,483.72
6. Step 6: Final answer
   x = 11,866.15